The weather for the May 15, 2019, launch attempt was expected to have a 20% chance of unacceptable conditions, however, that did not take into account upper level winds, which was ultimately out of limits. The team is expected to try again at the beginning of another 90-minute window opening at 10:30 p.m. EDT May 16 (2:30 GMT May 17).

According to the 45th Space Wing, the weather for the May 16 attempt is expected to also have an 20% chance of unacceptable conditions with the primary concern being cumulus clouds. Additionally, upper level winds are expected to be a little calmer.When it does launch, the Falcon 9 will send 60 Starlink satellites, each at 500 pounds (227 kilograms), into an initial 270-mile (440-kilometer) orbit. After deployment, each ...